modify:User space memory access

perf_event_open,futex,process_vm_readv,process_vm_writev,move_pages
2017-10-23 20:09:22 +09:00
parent 12840601e1
commit 08a625cc0d
5 changed files with 674 additions and 662 deletions
--- a/arch/x86_64/kernel/include/arch-futex.h
+++ b/arch/x86_64/kernel/include/arch-futex.h
@ -130,4 +130,12 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
 }
 #endif	/* !POSTK_DEBUG_ARCH_DEP_8 */

+static inline int get_futex_value_locked(uint32_t *dest, uint32_t *from)
+{
+
+	*dest = *(volatile uint32_t *)from;
+
+	return 0;
+}
+
 #endif